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Grade N7M Nickel vs. Nickel 617

Both grade N7M nickel and nickel 617 are nickel alloys. They have 65% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is grade N7M nickel and the bottom bar is nickel 617.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
210
Elongation at Break, % 22
40
Fatigue Strength, MPa 190
220
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 85
80
Tensile Strength: Ultimate (UTS), MPa 590
740
Tensile Strength: Yield (Proof), MPa 310
280

Thermal Properties

Latent Heat of Fusion, J/g 320
330
Maximum Temperature: Mechanical, °C 900
1010
Melting Completion (Liquidus), °C 1650
1380
Melting Onset (Solidus), °C 1590
1330
Specific Heat Capacity, J/kg-K 390
450
Thermal Expansion, µm/m-K 9.9
12

Otherwise Unclassified Properties

Base Metal Price, % relative 75
75
Density, g/cm3 9.3
8.5
Embodied Carbon, kg CO2/kg material 16
10
Embodied Energy, MJ/kg 200
140
Embodied Water, L/kg 270
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
230
Resilience: Unit (Modulus of Resilience), kJ/m3 220
190
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
23
Strength to Weight: Axial, points 18
24
Strength to Weight: Bending, points 17
21
Thermal Shock Resistance, points 19
21

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.5
Boron (B), % 0
0 to 0.0060
Carbon (C), % 0 to 0.070
0.050 to 0.15
Chromium (Cr), % 0 to 1.0
20 to 24
Cobalt (Co), % 0
10 to 15
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 0 to 3.0
0 to 3.0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 30 to 33
8.0 to 10
Nickel (Ni), % 60.9 to 70
44.5 to 62
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015